Píseň o sletu – I. část – Mládí (1949)
- Genre: Documentary
- Release Date: 1949-04-29
- Runtime: 1h 36min
- Language: Český
- Production Company: Československý státní film
- Production Country: Czechoslovakia
- Director: Jiří Weiss
- Writer: Jiří Weiss
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| Sound | Jiří Srnka | Original Music Composer |
| Camera | Pavel Hrdlička | Camera Operator |
| Camera | Bohumil Vích | Camera Operator |
| Directing | J. V. Staněk | Field Director |
| Directing | Jiří Weiss | Director |
| Camera | Jaromír Holpuch | Camera Operator |
| Camera | Čeněk Zahradníček | Camera Operator |
| Editing | Miroslav Hájek | Editor |
| Camera | Julius Vegricht | Camera Operator |
| Directing | Ján Kadár | Field Director |
| Camera | Bohumil Kolátor | Camera Operator |
| Directing | Pavel Blumenfeld | Field Director |
| Camera | Václav Huňka | Camera Operator |
| Camera | Ivan Frič | Camera Operator |
| Editing | Jan Chaloupek | Editor |
| Directing | Elmar Klos | Field Director |
| Camera | Jiří Bronec | Camera Operator |
| Directing | Jiří Krejčík | Field Director |
| Camera | Jaroslav Tuzar | Camera Operator |
| Writing | Jiří Weiss | Screenplay |
| Sound | Milivoj Uzelac | Conductor |
| Directing | Ivo Toman | Field Director |
| Directing | Miroslav Lang | Field Director |
| Camera | Josef Střecha | Camera Operator |
| Directing | Bohumil Svoboda | Assistant Director |
| Camera | František Míček | Camera Operator |
| Camera | Vladimír Novotný | Camera Operator |
| Camera | Ferdinand Pečenka | Director of Photography |
| Sound | Josef Zavadil | Sound |
| Camera | Rudolf Stahl | Camera Operator |
| Directing | Emanuel Kaněra | Field Director |
| Camera | Jaroslav Novotný | Camera Operator |
| Camera | Václav Hanuš | Camera Operator |
| Directing | Bohumil Vošahlík | Field Director |
| Directing | Miloš Makovec | Field Director |
